blk-iocost: don't allow to configure bio based device
hulk inclusion category: bugfix bugzilla: 188033, https://gitee.com/openeuler/kernel/issues/I663ZP CVE: NA -------------------------------- iocost is based on rq_qos, which can only work for request based device, thus it doesn't make sense to configure iocost for bio based device. Signed-off-by: NYu Kuai <yukuai3@huawei.com> Reviewed-by: NChristoph Hellwig <hch@lst.de> Signed-off-by: NLi Nan <linan122@huawei.com> Reviewed-by: NHou Tao <houtao1@huawei.com> (cherry picked from commit e11c64a9)
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